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Thread: Troubleshooting Lift Pump

  1. #61
    Join Date
    Mar 2009
    Folsom, CA


    I saw no “smoking gun” that would keep the lifters from adjusting, although the piston inside was a little difficult to get out of a couple of them. The only thing I can think is that either when they were assembled initially or when I soaked the to clean any assembly or storage residue off, the piston became stuck. Part of the reason I used ATF was for the detergent qualities in addition to lubrication. I think I’ll just prime them again with motor oil if I’m going to reuse. With just ATF on them they seem to move freely.

    If you could take photos of your tools that would be great, I’d like to see what you’re describing. I tried to take them out with the heads on but struggled getting the retainer plate out and didn’t want to risk dropping anything into the crankcase, creating a larger job. I already have everything torn down so I think I’ll just pull the other head and do it that way, but it would be nice to have another option in case I need to replace the lifters in the future.
    1994 K2500 Suburban 316,000 mi., F VIN, 4L80E, 3.73 w/posi., 3" turbo back, no cat, FSD Heat Sync, #9 resistor, SSD heads, SSD intake, fuel miser injectors, Bastard IP (5068), 4x4 posi, Cooling upgrade w/duel 180į t-stats and d-max fan

  2. #62
    Join Date
    Feb 2007


    I always have a problem with this site to send photos, and they are usually rejected for size. This time I can't access my camera or computer files, only photos I once posted. PM your email to me and I will send them, it would have been better for everyone to see the tools but I can't seem to do it.SAM_0290.jpgSAM_0291.jpg Looks like I did it but I can't see the photos..They are there, but not while writing, the magnet has a wire loop soldered to it, and a wire handle that swivels a bit, it takes the lifter out, and the retaining plate out. It would be better if smaller. If you don't take the bolts out of the retaining plate, nothing is small enough to fall through, into the oil pan. The clip thing is to put the lifters back in, it is spring steel. Note, I used an American measuring tape, complement from Harbour Freight.
    Last edited by grancito; 08-31-2020 at 08:26 PM.
    Grant H.
    1995 6.5 turbo GMC K2500 extra cab 4x4 pickup, PMD under bumper, mechanical wastegate, 228,000 miles, rebuilt engine, 4.10 diff, 16 mpg
    1994 6.5 turbo GMC K2500 4x4 suburban #9 resistor, PMD in the bumper, mechanical waste gate, 226,000 miles, 3.73 diff, 16 mpg
    1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, since 1992.

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